Seiko Cal. 4440 - 897

Released in 1968, the Cal. 4440 with design code 897 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-bd2ac5cf8a9b]

Also known as: Rally, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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